From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6FADCC5AE59 for ; Tue, 3 Jun 2025 15:41:29 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uMTl9-00068f-CP; Tue, 03 Jun 2025 11:41:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uMTl6-00067q-VA for qemu-devel@nongnu.org; Tue, 03 Jun 2025 11:41:01 -0400 Received: from linux.microsoft.com ([13.77.154.182]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uMTl5-0001Ft-5q for qemu-devel@nongnu.org; Tue, 03 Jun 2025 11:41:00 -0400 Received: from example.com (unknown [167.220.208.71]) by linux.microsoft.com (Postfix) with ESMTPSA id 5E0142078636; Tue, 3 Jun 2025 08:40:53 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 5E0142078636 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1748965256; bh=RknjUQnoz5qWQclnrdAhORR4oX6hiPYX+6hzGj4+2QQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Iw/tDhnmNQzT3PgiG0ntxuTKUF5djvcqvDW5nF0yam8XhG5FmQR6FsJIaBLCw+BRm Fu2nXOmlbppG4ZigVCX55sPYh/bVePIwR7ZsAf7lobnEDV27bFpgSaKnLsl2ae8zhQ iMf2GXxajTMjs17D+ID2p1hWBJNN8DW2u9Reomog= Date: Tue, 3 Jun 2025 17:40:50 +0200 From: Magnus Kulke To: Wei Liu Cc: magnuskulke@microsoft.com, qemu-devel@nongnu.org, liuwe@microsoft.com, Paolo Bonzini , "Michael S. Tsirkin" , Phil Dennis-Jordan , Roman Bolshakov , Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= , Zhao Liu , Richard Henderson , Cameron Esfahani , =?iso-8859-1?Q?Marc-Andr=E9?= Lureau , Daniel =?iso-8859-1?Q?P=2E_Berrang=E9?= Subject: Re: [RFC PATCH 24/25] target/i386/mshv: Implement mshv_vcpu_run() Message-ID: References: <20250520113018.49569-1-magnuskulke@linux.microsoft.com> <20250520113018.49569-25-magnuskulke@linux.microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=13.77.154.182; envelope-from=magnuskulke@linux.microsoft.com; helo=linux.microsoft.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Tue, May 20, 2025 at 10:52:39PM +0000, Wei Liu wrote: > On Tue, May 20, 2025 at 01:30:17PM +0200, Magnus Kulke wrote: > > + case HVMSG_GPA_INTERCEPT: > > I'm not sure why you want to handle UNMAPPED_GPA and GPA_INTERCEPT > separately. In Cloud Hypervisor there is one code path for both. > > Is this due to how the memory address space is set up in QEMU? > yes, indeed. this is a provisiong for the dynamic re-mapping of overlapping userspace addresses. We can handle both together in this commit, though.